Home / 55,637.40-83,464.20-18,188.40

Finding the Fourth Proportional to 55,637.40, 83,464.20 and 18,188.40

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Solution

The fourth proportional to 55,637.40, 83,464.20 and 18,188.40 is: 27,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,637.40 : 83,464.20 = 18,188.40 : x
  2. Step 2: Convert to fraction form
    55,637.40/83,464.20 = 18,188.40/x
  3. Step 3: Cross multiply
    55,637.40x = 83,464.20 × 18,188.40
  4. Step 4: Simplify right side
    55,637.40x = 1,518,080,255.28
  5. Step 5: Solve for x
    x = 1,518,080,255.28/55,637.40
  6. Step 6: Final answer
    x = 27,285.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.